Extract the code for resolving from (path or URL, symbolic revision) to (operative URL, numeric revision) out of svn_client__ra_session_from_path() into a separate function, to make the logic easier to follow, and also with the anticipation of using this function in the near future.
Extract the code for resolving from (path or URL, symbolic revision) to
(operative URL, numeric revision) out of svn_client__ra_session_from_path()
into a separate function, to make the logic easier to follow, and also with
the anticipation of using this function in the near future.

* subversion/libsvn_client/ra.c
  (resolve_rev_and_url): New function, factored out ...
  (svn_client__ra_session_from_path): ... of here.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1171000 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion